Asked by Jinxx
simplify (2√5+3√7)^2 step by step. please tell me how to do this
Answers
Answered by
Scott
squaring a binomial ... use FOIL
(2√5)^2 + 2 * 2√5 * 3√7 + (3√7)^2
20 + 12√35 + 63 = 83 + 12√35
(2√5)^2 + 2 * 2√5 * 3√7 + (3√7)^2
20 + 12√35 + 63 = 83 + 12√35
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